Home / 117,000.41-161,446.68-66,010.16

Finding the Fourth Proportional to 117,000.41, 161,446.68 and 66,010.16

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Solution

The fourth proportional to 117,000.41, 161,446.68 and 66,010.16 is: 91,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,000.41 : 161,446.68 = 66,010.16 : x
  2. Step 2: Convert to fraction form
    117,000.41/161,446.68 = 66,010.16/x
  3. Step 3: Cross multiply
    117,000.41x = 161,446.68 × 66,010.16
  4. Step 4: Simplify right side
    117,000.41x = 10,657,121,178.27
  5. Step 5: Solve for x
    x = 10,657,121,178.27/117,000.41
  6. Step 6: Final answer
    x = 91,086.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.